//
// Created by ub on 2020/11/1.
//
#include <iostream>
using namespace std;
char * buildstr(char c, int n);
/*int main ()
{
    int times;
    char ch;
    cout << "Enter a character: ";
    cin >> ch;
    cout << "Enter an integer: ";
    cin >> times;
    char * ps = buildstr(ch,times);
    cout << ps << endl;
    delete [] ps;
    ps = buildstr('+',20);
    cout << ps << " DONE " << ps << endl;
    delete [] ps;
    return 0;
}*/
char * buildstr(char c, int n)
{
   char * pstr = new char [n+1];
   pstr[n] = '\0';
   while(n-->0) // 为什么喜欢从后到前对字符串进行初始化
   {
     pstr[n] = c;
   }
   return pstr;
}

